/*
 * Copyright 2020 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
// Generated by the protocol buffer compiler.  DO NOT EDIT!
// source: google/pubsub/v1/pubsub.proto

package com.google.pubsub.v1;

/**
 *
 *
 * <pre>
 * Request for the `Seek` method.
 * </pre>
 *
 * Protobuf type {@code google.pubsub.v1.SeekRequest}
 */
public final class SeekRequest extends com.google.protobuf.GeneratedMessageV3
    implements
    // @@protoc_insertion_point(message_implements:google.pubsub.v1.SeekRequest)
    SeekRequestOrBuilder {
  private static final long serialVersionUID = 0L;
  // Use SeekRequest.newBuilder() to construct.
  private SeekRequest(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
    super(builder);
  }

  private SeekRequest() {
    subscription_ = "";
  }

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  @SuppressWarnings({"unused"})
  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
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  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
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  }

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    SNAPSHOT(3),
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    /**
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     * @deprecated Use {@link #forNumber(int)} instead.
     */
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    public static TargetCase valueOf(int value) {
      return forNumber(value);
    }

    public static TargetCase forNumber(int value) {
      switch (value) {
        case 2:
          return TIME;
        case 3:
          return SNAPSHOT;
        case 0:
          return TARGET_NOT_SET;
        default:
          return null;
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    public int getNumber() {
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  public TargetCase getTargetCase() {
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  /**
   *
   *
   * <pre>
   * Required. The subscription to affect.
   * </pre>
   *
   * <code>
   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
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   *
   * @return The subscription.
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  /**
   *
   *
   * <pre>
   * Required. The subscription to affect.
   * </pre>
   *
   * <code>
   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
   * </code>
   *
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  /**
   *
   *
   * <pre>
   * The time to seek to.
   * Messages retained in the subscription that were published before this
   * time are marked as acknowledged, and messages retained in the
   * subscription that were published after this time are marked as
   * unacknowledged. Note that this operation affects only those messages
   * retained in the subscription (configured by the combination of
   * `message_retention_duration` and `retain_acked_messages`). For example,
   * if `time` corresponds to a point before the message retention
   * window (or to a point before the system's notion of the subscription
   * creation time), only retained messages will be marked as unacknowledged,
   * and already-expunged messages will not be restored.
   * </pre>
   *
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   */
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  /**
   *
   *
   * <pre>
   * The time to seek to.
   * Messages retained in the subscription that were published before this
   * time are marked as acknowledged, and messages retained in the
   * subscription that were published after this time are marked as
   * unacknowledged. Note that this operation affects only those messages
   * retained in the subscription (configured by the combination of
   * `message_retention_duration` and `retain_acked_messages`). For example,
   * if `time` corresponds to a point before the message retention
   * window (or to a point before the system's notion of the subscription
   * creation time), only retained messages will be marked as unacknowledged,
   * and already-expunged messages will not be restored.
   * </pre>
   *
   * <code>.google.protobuf.Timestamp time = 2;</code>
   *
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   */
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  /**
   *
   *
   * <pre>
   * The time to seek to.
   * Messages retained in the subscription that were published before this
   * time are marked as acknowledged, and messages retained in the
   * subscription that were published after this time are marked as
   * unacknowledged. Note that this operation affects only those messages
   * retained in the subscription (configured by the combination of
   * `message_retention_duration` and `retain_acked_messages`). For example,
   * if `time` corresponds to a point before the message retention
   * window (or to a point before the system's notion of the subscription
   * creation time), only retained messages will be marked as unacknowledged,
   * and already-expunged messages will not be restored.
   * </pre>
   *
   * <code>.google.protobuf.Timestamp time = 2;</code>
   */
  @java.lang.Override
  public com.google.protobuf.TimestampOrBuilder getTimeOrBuilder() {
    if (targetCase_ == 2) {
      return (com.google.protobuf.Timestamp) target_;
    }
    return com.google.protobuf.Timestamp.getDefaultInstance();
  }

  public static final int SNAPSHOT_FIELD_NUMBER = 3;
  /**
   *
   *
   * <pre>
   * The snapshot to seek to. The snapshot's topic must be the same as that of
   * the provided subscription.
   * Format is `projects/{project}/snapshots/{snap}`.
   * </pre>
   *
   * <code>string snapshot = 3 [(.google.api.resource_reference) = { ... }</code>
   *
   * @return Whether the snapshot field is set.
   */
  public boolean hasSnapshot() {
    return targetCase_ == 3;
  }
  /**
   *
   *
   * <pre>
   * The snapshot to seek to. The snapshot's topic must be the same as that of
   * the provided subscription.
   * Format is `projects/{project}/snapshots/{snap}`.
   * </pre>
   *
   * <code>string snapshot = 3 [(.google.api.resource_reference) = { ... }</code>
   *
   * @return The snapshot.
   */
  public java.lang.String getSnapshot() {
    java.lang.Object ref = "";
    if (targetCase_ == 3) {
      ref = target_;
    }
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      if (targetCase_ == 3) {
        target_ = s;
      }
      return s;
    }
  }
  /**
   *
   *
   * <pre>
   * The snapshot to seek to. The snapshot's topic must be the same as that of
   * the provided subscription.
   * Format is `projects/{project}/snapshots/{snap}`.
   * </pre>
   *
   * <code>string snapshot = 3 [(.google.api.resource_reference) = { ... }</code>
   *
   * @return The bytes for snapshot.
   */
  public com.google.protobuf.ByteString getSnapshotBytes() {
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    if (size != -1) return size;

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    size += unknownFields.getSerializedSize();
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  @java.lang.Override
  public boolean equals(final java.lang.Object obj) {
    if (obj == this) {
      return true;
    }
    if (!(obj instanceof com.google.pubsub.v1.SeekRequest)) {
      return super.equals(obj);
    }
    com.google.pubsub.v1.SeekRequest other = (com.google.pubsub.v1.SeekRequest) obj;

    if (!getSubscription().equals(other.getSubscription())) return false;
    if (!getTargetCase().equals(other.getTargetCase())) return false;
    switch (targetCase_) {
      case 2:
        if (!getTime().equals(other.getTime())) return false;
        break;
      case 3:
        if (!getSnapshot().equals(other.getSnapshot())) return false;
        break;
      case 0:
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    if (!unknownFields.equals(other.unknownFields)) return false;
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  @java.lang.Override
  public int hashCode() {
    if (memoizedHashCode != 0) {
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    int hash = 41;
    hash = (19 * hash) + getDescriptor().hashCode();
    hash = (37 * hash) + SUBSCRIPTION_FIELD_NUMBER;
    hash = (53 * hash) + getSubscription().hashCode();
    switch (targetCase_) {
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  public static com.google.pubsub.v1.SeekRequest parseFrom(java.nio.ByteBuffer data)
      throws com.google.protobuf.InvalidProtocolBufferException {
    return PARSER.parseFrom(data);
  }

  public static com.google.pubsub.v1.SeekRequest parseFrom(
      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
      throws com.google.protobuf.InvalidProtocolBufferException {
    return PARSER.parseFrom(data, extensionRegistry);
  }

  public static com.google.pubsub.v1.SeekRequest parseFrom(com.google.protobuf.ByteString data)
      throws com.google.protobuf.InvalidProtocolBufferException {
    return PARSER.parseFrom(data);
  }

  public static com.google.pubsub.v1.SeekRequest parseFrom(
      com.google.protobuf.ByteString data,
      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
      throws com.google.protobuf.InvalidProtocolBufferException {
    return PARSER.parseFrom(data, extensionRegistry);
  }

  public static com.google.pubsub.v1.SeekRequest parseFrom(byte[] data)
      throws com.google.protobuf.InvalidProtocolBufferException {
    return PARSER.parseFrom(data);
  }

  public static com.google.pubsub.v1.SeekRequest parseFrom(
      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
      throws com.google.protobuf.InvalidProtocolBufferException {
    return PARSER.parseFrom(data, extensionRegistry);
  }

  public static com.google.pubsub.v1.SeekRequest parseFrom(java.io.InputStream input)
      throws java.io.IOException {
    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
  }

  public static com.google.pubsub.v1.SeekRequest parseFrom(
      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
      throws java.io.IOException {
    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
        PARSER, input, extensionRegistry);
  }

  public static com.google.pubsub.v1.SeekRequest parseDelimitedFrom(java.io.InputStream input)
      throws java.io.IOException {
    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
  }

  public static com.google.pubsub.v1.SeekRequest parseDelimitedFrom(
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      throws java.io.IOException {
    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
        PARSER, input, extensionRegistry);
  }

  public static com.google.pubsub.v1.SeekRequest parseFrom(
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    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
  }

  public static com.google.pubsub.v1.SeekRequest parseFrom(
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      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
      throws java.io.IOException {
    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
        PARSER, input, extensionRegistry);
  }

  @java.lang.Override
  public Builder newBuilderForType() {
    return newBuilder();
  }

  public static Builder newBuilder() {
    return DEFAULT_INSTANCE.toBuilder();
  }

  public static Builder newBuilder(com.google.pubsub.v1.SeekRequest prototype) {
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  }

  @java.lang.Override
  public Builder toBuilder() {
    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
  }

  @java.lang.Override
  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
    Builder builder = new Builder(parent);
    return builder;
  }
  /**
   *
   *
   * <pre>
   * Request for the `Seek` method.
   * </pre>
   *
   * Protobuf type {@code google.pubsub.v1.SeekRequest}
   */
  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
      implements
      // @@protoc_insertion_point(builder_implements:google.pubsub.v1.SeekRequest)
      com.google.pubsub.v1.SeekRequestOrBuilder {
    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
      return com.google.pubsub.v1.PubsubProto
          .internal_static_google_pubsub_v1_SeekRequest_descriptor;
    }

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    // Construct using com.google.pubsub.v1.SeekRequest.newBuilder()
    private Builder() {
      maybeForceBuilderInitialization();
    }

    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
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      targetCase_ = 0;
      target_ = null;
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    @java.lang.Override
    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
      return com.google.pubsub.v1.PubsubProto
          .internal_static_google_pubsub_v1_SeekRequest_descriptor;
    }

    @java.lang.Override
    public com.google.pubsub.v1.SeekRequest getDefaultInstanceForType() {
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    @java.lang.Override
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      if (!result.isInitialized()) {
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      return result;
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        onChanged();
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      switch (other.getTargetCase()) {
        case TIME:
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        case SNAPSHOT:
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      onChanged();
      return this;
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    @java.lang.Override
    public final boolean isInitialized() {
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    @java.lang.Override
    public Builder mergeFrom(
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        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      com.google.pubsub.v1.SeekRequest parsedMessage = null;
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        parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
        parsedMessage = (com.google.pubsub.v1.SeekRequest) e.getUnfinishedMessage();
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    public TargetCase getTargetCase() {
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      target_ = null;
      onChanged();
      return this;
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    private java.lang.Object subscription_ = "";
    /**
     *
     *
     * <pre>
     * Required. The subscription to affect.
     * </pre>
     *
     * <code>
     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
     * </code>
     *
     * @return The subscription.
     */
    public java.lang.String getSubscription() {
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      if (!(ref instanceof java.lang.String)) {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
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        return s;
      } else {
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      }
    }
    /**
     *
     *
     * <pre>
     * Required. The subscription to affect.
     * </pre>
     *
     * <code>
     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
     * </code>
     *
     * @return The bytes for subscription.
     */
    public com.google.protobuf.ByteString getSubscriptionBytes() {
      java.lang.Object ref = subscription_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        subscription_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * Required. The subscription to affect.
     * </pre>
     *
     * <code>
     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
     * </code>
     *
     * @param value The subscription to set.
     * @return This builder for chaining.
     */
    public Builder setSubscription(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }

      subscription_ = value;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Required. The subscription to affect.
     * </pre>
     *
     * <code>
     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
     * </code>
     *
     * @return This builder for chaining.
     */
    public Builder clearSubscription() {

      subscription_ = getDefaultInstance().getSubscription();
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Required. The subscription to affect.
     * </pre>
     *
     * <code>
     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
     * </code>
     *
     * @param value The bytes for subscription to set.
     * @return This builder for chaining.
     */
    public Builder setSubscriptionBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);

      subscription_ = value;
      onChanged();
      return this;
    }

    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.protobuf.Timestamp,
            com.google.protobuf.Timestamp.Builder,
            com.google.protobuf.TimestampOrBuilder>
        timeBuilder_;
    /**
     *
     *
     * <pre>
     * The time to seek to.
     * Messages retained in the subscription that were published before this
     * time are marked as acknowledged, and messages retained in the
     * subscription that were published after this time are marked as
     * unacknowledged. Note that this operation affects only those messages
     * retained in the subscription (configured by the combination of
     * `message_retention_duration` and `retain_acked_messages`). For example,
     * if `time` corresponds to a point before the message retention
     * window (or to a point before the system's notion of the subscription
     * creation time), only retained messages will be marked as unacknowledged,
     * and already-expunged messages will not be restored.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp time = 2;</code>
     *
     * @return Whether the time field is set.
     */
    @java.lang.Override
    public boolean hasTime() {
      return targetCase_ == 2;
    }
    /**
     *
     *
     * <pre>
     * The time to seek to.
     * Messages retained in the subscription that were published before this
     * time are marked as acknowledged, and messages retained in the
     * subscription that were published after this time are marked as
     * unacknowledged. Note that this operation affects only those messages
     * retained in the subscription (configured by the combination of
     * `message_retention_duration` and `retain_acked_messages`). For example,
     * if `time` corresponds to a point before the message retention
     * window (or to a point before the system's notion of the subscription
     * creation time), only retained messages will be marked as unacknowledged,
     * and already-expunged messages will not be restored.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp time = 2;</code>
     *
     * @return The time.
     */
    @java.lang.Override
    public com.google.protobuf.Timestamp getTime() {
      if (timeBuilder_ == null) {
        if (targetCase_ == 2) {
          return (com.google.protobuf.Timestamp) target_;
        }
        return com.google.protobuf.Timestamp.getDefaultInstance();
      } else {
        if (targetCase_ == 2) {
          return timeBuilder_.getMessage();
        }
        return com.google.protobuf.Timestamp.getDefaultInstance();
      }
    }
    /**
     *
     *
     * <pre>
     * The time to seek to.
     * Messages retained in the subscription that were published before this
     * time are marked as acknowledged, and messages retained in the
     * subscription that were published after this time are marked as
     * unacknowledged. Note that this operation affects only those messages
     * retained in the subscription (configured by the combination of
     * `message_retention_duration` and `retain_acked_messages`). For example,
     * if `time` corresponds to a point before the message retention
     * window (or to a point before the system's notion of the subscription
     * creation time), only retained messages will be marked as unacknowledged,
     * and already-expunged messages will not be restored.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp time = 2;</code>
     */
    public Builder setTime(com.google.protobuf.Timestamp value) {
      if (timeBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        target_ = value;
        onChanged();
      } else {
        timeBuilder_.setMessage(value);
      }
      targetCase_ = 2;
      return this;
    }
    /**
     *
     *
     * <pre>
     * The time to seek to.
     * Messages retained in the subscription that were published before this
     * time are marked as acknowledged, and messages retained in the
     * subscription that were published after this time are marked as
     * unacknowledged. Note that this operation affects only those messages
     * retained in the subscription (configured by the combination of
     * `message_retention_duration` and `retain_acked_messages`). For example,
     * if `time` corresponds to a point before the message retention
     * window (or to a point before the system's notion of the subscription
     * creation time), only retained messages will be marked as unacknowledged,
     * and already-expunged messages will not be restored.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp time = 2;</code>
     */
    public Builder setTime(com.google.protobuf.Timestamp.Builder builderForValue) {
      if (timeBuilder_ == null) {
        target_ = builderForValue.build();
        onChanged();
      } else {
        timeBuilder_.setMessage(builderForValue.build());
      }
      targetCase_ = 2;
      return this;
    }
    /**
     *
     *
     * <pre>
     * The time to seek to.
     * Messages retained in the subscription that were published before this
     * time are marked as acknowledged, and messages retained in the
     * subscription that were published after this time are marked as
     * unacknowledged. Note that this operation affects only those messages
     * retained in the subscription (configured by the combination of
     * `message_retention_duration` and `retain_acked_messages`). For example,
     * if `time` corresponds to a point before the message retention
     * window (or to a point before the system's notion of the subscription
     * creation time), only retained messages will be marked as unacknowledged,
     * and already-expunged messages will not be restored.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp time = 2;</code>
     */
    public Builder mergeTime(com.google.protobuf.Timestamp value) {
      if (timeBuilder_ == null) {
        if (targetCase_ == 2 && target_ != com.google.protobuf.Timestamp.getDefaultInstance()) {
          target_ =
              com.google.protobuf.Timestamp.newBuilder((com.google.protobuf.Timestamp) target_)
                  .mergeFrom(value)
                  .buildPartial();
        } else {
          target_ = value;
        }
        onChanged();
      } else {
        if (targetCase_ == 2) {
          timeBuilder_.mergeFrom(value);
        }
        timeBuilder_.setMessage(value);
      }
      targetCase_ = 2;
      return this;
    }
    /**
     *
     *
     * <pre>
     * The time to seek to.
     * Messages retained in the subscription that were published before this
     * time are marked as acknowledged, and messages retained in the
     * subscription that were published after this time are marked as
     * unacknowledged. Note that this operation affects only those messages
     * retained in the subscription (configured by the combination of
     * `message_retention_duration` and `retain_acked_messages`). For example,
     * if `time` corresponds to a point before the message retention
     * window (or to a point before the system's notion of the subscription
     * creation time), only retained messages will be marked as unacknowledged,
     * and already-expunged messages will not be restored.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp time = 2;</code>
     */
    public Builder clearTime() {
      if (timeBuilder_ == null) {
        if (targetCase_ == 2) {
          targetCase_ = 0;
          target_ = null;
          onChanged();
        }
      } else {
        if (targetCase_ == 2) {
          targetCase_ = 0;
          target_ = null;
        }
        timeBuilder_.clear();
      }
      return this;
    }
    /**
     *
     *
     * <pre>
     * The time to seek to.
     * Messages retained in the subscription that were published before this
     * time are marked as acknowledged, and messages retained in the
     * subscription that were published after this time are marked as
     * unacknowledged. Note that this operation affects only those messages
     * retained in the subscription (configured by the combination of
     * `message_retention_duration` and `retain_acked_messages`). For example,
     * if `time` corresponds to a point before the message retention
     * window (or to a point before the system's notion of the subscription
     * creation time), only retained messages will be marked as unacknowledged,
     * and already-expunged messages will not be restored.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp time = 2;</code>
     */
    public com.google.protobuf.Timestamp.Builder getTimeBuilder() {
      return getTimeFieldBuilder().getBuilder();
    }
    /**
     *
     *
     * <pre>
     * The time to seek to.
     * Messages retained in the subscription that were published before this
     * time are marked as acknowledged, and messages retained in the
     * subscription that were published after this time are marked as
     * unacknowledged. Note that this operation affects only those messages
     * retained in the subscription (configured by the combination of
     * `message_retention_duration` and `retain_acked_messages`). For example,
     * if `time` corresponds to a point before the message retention
     * window (or to a point before the system's notion of the subscription
     * creation time), only retained messages will be marked as unacknowledged,
     * and already-expunged messages will not be restored.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp time = 2;</code>
     */
    @java.lang.Override
    public com.google.protobuf.TimestampOrBuilder getTimeOrBuilder() {
      if ((targetCase_ == 2) && (timeBuilder_ != null)) {
        return timeBuilder_.getMessageOrBuilder();
      } else {
        if (targetCase_ == 2) {
          return (com.google.protobuf.Timestamp) target_;
        }
        return com.google.protobuf.Timestamp.getDefaultInstance();
      }
    }
    /**
     *
     *
     * <pre>
     * The time to seek to.
     * Messages retained in the subscription that were published before this
     * time are marked as acknowledged, and messages retained in the
     * subscription that were published after this time are marked as
     * unacknowledged. Note that this operation affects only those messages
     * retained in the subscription (configured by the combination of
     * `message_retention_duration` and `retain_acked_messages`). For example,
     * if `time` corresponds to a point before the message retention
     * window (or to a point before the system's notion of the subscription
     * creation time), only retained messages will be marked as unacknowledged,
     * and already-expunged messages will not be restored.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp time = 2;</code>
     */
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.protobuf.Timestamp,
            com.google.protobuf.Timestamp.Builder,
            com.google.protobuf.TimestampOrBuilder>
        getTimeFieldBuilder() {
      if (timeBuilder_ == null) {
        if (!(targetCase_ == 2)) {
          target_ = com.google.protobuf.Timestamp.getDefaultInstance();
        }
        timeBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.protobuf.Timestamp,
                com.google.protobuf.Timestamp.Builder,
                com.google.protobuf.TimestampOrBuilder>(
                (com.google.protobuf.Timestamp) target_, getParentForChildren(), isClean());
        target_ = null;
      }
      targetCase_ = 2;
      onChanged();
      ;
      return timeBuilder_;
    }

    /**
     *
     *
     * <pre>
     * The snapshot to seek to. The snapshot's topic must be the same as that of
     * the provided subscription.
     * Format is `projects/{project}/snapshots/{snap}`.
     * </pre>
     *
     * <code>string snapshot = 3 [(.google.api.resource_reference) = { ... }</code>
     *
     * @return Whether the snapshot field is set.
     */
    @java.lang.Override
    public boolean hasSnapshot() {
      return targetCase_ == 3;
    }
    /**
     *
     *
     * <pre>
     * The snapshot to seek to. The snapshot's topic must be the same as that of
     * the provided subscription.
     * Format is `projects/{project}/snapshots/{snap}`.
     * </pre>
     *
     * <code>string snapshot = 3 [(.google.api.resource_reference) = { ... }</code>
     *
     * @return The snapshot.
     */
    @java.lang.Override
    public java.lang.String getSnapshot() {
      java.lang.Object ref = "";
      if (targetCase_ == 3) {
        ref = target_;
      }
      if (!(ref instanceof java.lang.String)) {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        if (targetCase_ == 3) {
          target_ = s;
        }
        return s;
      } else {
        return (java.lang.String) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * The snapshot to seek to. The snapshot's topic must be the same as that of
     * the provided subscription.
     * Format is `projects/{project}/snapshots/{snap}`.
     * </pre>
     *
     * <code>string snapshot = 3 [(.google.api.resource_reference) = { ... }</code>
     *
     * @return The bytes for snapshot.
     */
    @java.lang.Override
    public com.google.protobuf.ByteString getSnapshotBytes() {
      java.lang.Object ref = "";
      if (targetCase_ == 3) {
        ref = target_;
      }
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        if (targetCase_ == 3) {
          target_ = b;
        }
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * The snapshot to seek to. The snapshot's topic must be the same as that of
     * the provided subscription.
     * Format is `projects/{project}/snapshots/{snap}`.
     * </pre>
     *
     * <code>string snapshot = 3 [(.google.api.resource_reference) = { ... }</code>
     *
     * @param value The snapshot to set.
     * @return This builder for chaining.
     */
    public Builder setSnapshot(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      targetCase_ = 3;
      target_ = value;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * The snapshot to seek to. The snapshot's topic must be the same as that of
     * the provided subscription.
     * Format is `projects/{project}/snapshots/{snap}`.
     * </pre>
     *
     * <code>string snapshot = 3 [(.google.api.resource_reference) = { ... }</code>
     *
     * @return This builder for chaining.
     */
    public Builder clearSnapshot() {
      if (targetCase_ == 3) {
        targetCase_ = 0;
        target_ = null;
        onChanged();
      }
      return this;
    }
    /**
     *
     *
     * <pre>
     * The snapshot to seek to. The snapshot's topic must be the same as that of
     * the provided subscription.
     * Format is `projects/{project}/snapshots/{snap}`.
     * </pre>
     *
     * <code>string snapshot = 3 [(.google.api.resource_reference) = { ... }</code>
     *
     * @param value The bytes for snapshot to set.
     * @return This builder for chaining.
     */
    public Builder setSnapshotBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);
      targetCase_ = 3;
      target_ = value;
      onChanged();
      return this;
    }

    @java.lang.Override
    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
      return super.setUnknownFields(unknownFields);
    }

    @java.lang.Override
    public final Builder mergeUnknownFields(
        final com.google.protobuf.UnknownFieldSet unknownFields) {
      return super.mergeUnknownFields(unknownFields);
    }

    // @@protoc_insertion_point(builder_scope:google.pubsub.v1.SeekRequest)
  }

  // @@protoc_insertion_point(class_scope:google.pubsub.v1.SeekRequest)
  private static final com.google.pubsub.v1.SeekRequest DEFAULT_INSTANCE;

  static {
    DEFAULT_INSTANCE = new com.google.pubsub.v1.SeekRequest();
  }

  public static com.google.pubsub.v1.SeekRequest getDefaultInstance() {
    return DEFAULT_INSTANCE;
  }

  private static final com.google.protobuf.Parser<SeekRequest> PARSER =
      new com.google.protobuf.AbstractParser<SeekRequest>() {
        @java.lang.Override
        public SeekRequest parsePartialFrom(
            com.google.protobuf.CodedInputStream input,
            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
            throws com.google.protobuf.InvalidProtocolBufferException {
          return new SeekRequest(input, extensionRegistry);
        }
      };

  public static com.google.protobuf.Parser<SeekRequest> parser() {
    return PARSER;
  }

  @java.lang.Override
  public com.google.protobuf.Parser<SeekRequest> getParserForType() {
    return PARSER;
  }

  @java.lang.Override
  public com.google.pubsub.v1.SeekRequest getDefaultInstanceForType() {
    return DEFAULT_INSTANCE;
  }
}
